Cheap flights from Sydney to San Diego from $857

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 28/9. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — SAN
20 Jul — 27 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Sydney to San Diego

Enter your travel dates to find the best prices.

Cheapest flights from Sydney to San Diego
Explore the most affordable flight options available from Sydney to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 20 June 2026.

Thu 22/1010:10
SYD
-
SAN
2 stops40h 28m
American Airlines
Mon 26/1013:45
SAN
-
SYD
1 stop23h 10m
American Airlines
Deal found 19/6$1,342
Mon 27/709:10
SYD
-
SAN
2 stops40h 41m
American Airlines
Wed 12/812:48
SAN
-
SYD
2 stops25h 07m
American Airlines
Deal found 19/6$1,345
Mon 16/1111:20
SYD
-
SAN
1 stop20h 44m
Air Canada
Mon 30/1107:05
SAN
-
SYD
2 stops36h 35m
Air Canada
Deal found 19/6$1,373
Sun 8/1111:20
SYD
-
SAN
1 stop25h 39m
Air Canada
Tue 17/1114:10
SAN
-
SYD
1 stop24h 25m
Air Canada
Deal found 16/6$1,402
Thu 22/1010:20
SYD
-
SAN
1 stop23h 52m
Air Canada
Mon 26/1014:10
SAN
-
SYD
1 stop24h 25m
Air Canada
Deal found 19/6$1,416

Find flight deals from Sydney to San Diego

Discover tips and strategies to find the most affordable flight options for your journey from Sydney (SYD) to San Diego (SAN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 20 June 2026.

Round-trip from

$1,342

One-way from

$857

Popular in

December

Cheapest in

September

Average price

$1,630
American Airlines
  • American Airlines
  • 22/10-26/10
  • 3 total stops
  • 63h 38m total
  • Sydney to San Diego
Air Canada
  • Air Canada
  • 28/9
  • 1 total stop
  • 23h 52m total
  • Sydney to San Diego
Highest demand for flights based on searches. 5% potential increase in price ($133 potential increase over avg. return price).
Cheapest flight prices on average. 1% potential price decrease ($43 potential savings vs. average return price).
Average for round-trip flights in June 2026

Cheapflights Fare Finder

 
Customise your flight search to find flights from Sydney to San Diego that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 20 June 2026.
Use the filters below to find and compare flights from Sydney to San Diego that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Thu 22/10

10:10-08:38

2 stops40h 28m

San Diego

Mon 26/10

13:45-06:55

1 stop23h 10m

$1,342

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Sun 8/11

11:20-17:59

1 stop25h 39m

San Diego

Tue 17/11

14:10-09:35

1 stop24h 25m

$1,402

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Thu 22/10

10:20-16:12

1 stop23h 52m

San Diego

Mon 26/10

14:10-08:35

1 stop24h 25m

$1,416
Fastest return journey

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Tue 28/7

09:15-09:52

1 stop17h 37m

San Diego

Wed 5/8

15:00-06:50

1 stop22h 50m

$1,442

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Thu 27/8

20:45-16:00

1 stop36h 15m

San Diego

Tue 1/9

19:33-18:50

2 stops30h 17m

$1,446

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Mon 27/7

09:15-23:50

2 stops31h 35m

San Diego

Wed 12/8

13:25-06:50

2 stops24h 25m

$1,448

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Tue 18/8

09:15-15:10

1 stop22h 55m

San Diego

Mon 31/8

06:15-06:50

1 stop31h 35m

$1,450
Cheapest one-way

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Mon 28/9

09:20-16:12

1 stop23h 52m

$857

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Mon 5/10

10:20-16:12

1 stop23h 52m

$860

SydneySan Diego

SYD - SAN

SYDSAN

Sydney Kingsford Smith

Mon 5/10

10:30-18:35

3 stops50h 05m

$923

Flights are sorted by cheapest return flights first.

Deals found on 20/6

Showing 1-10 of 14 resultsSorted by cheapest first
1
2

Best time to book a flight from Sydney to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego from Sydney with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Sydney to San Diego

How far ahead should I book a flight from Sydney to San Diego?

The price you pay for your flight from Sydney to San Diego may vary depending on when you book. For the best chance of a lower fare, look to book 23 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Sydney to San Diego?

Currently, September is the cheapest month in which you can book a flight from Sydney to San Diego (average of $1,198). Flying from Sydney to San Diego in December is currently the most expensive (average of $1,857). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost for a return flight from Sydney to San Diego?

Reviews of airlines servicing San Diego

Get insights into the airlines that provide service to San Diego. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Diego. Reviews last updated 20 June 2026.
Read reviews from past customers who have flown with Alaska Airlines,Virgin Australia, andUnited Airlines from Sydney to San Diego. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.1

Comfort

7.8

Overall

7.9

Crew

8.5

Entertainment

7.0

Food

7.0

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.

Boarding

8.1

Comfort

7.8

Overall

7.9

Crew

8.5

Entertainment

7.0

Food

7.0

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.

Boarding

8.1

Comfort

7.8

Overall

7.9

Crew

8.5

Entertainment

7.0

Food

7.0

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.

Boarding

8.1

Comfort

7.8

Overall

7.9

Crew

8.5

Entertainment

7.0

Food

7.0

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.

Boarding

8.1

Comfort

7.8

Overall

7.9

Crew

8.5

Entertainment

7.0

Food

7.0

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.

Related info for your journey

Find useful and relevant information for your journey from Sydney to San Diego. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • How long is the flight from Sydney to San Diego?

    American Airlines and Air Canada can get you from Sydney to San Diego in just under 25h 39m. Your travel time can differ by up to 14h 49m. The distance from Sydney to San Diego is about 12086 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the cheapest airlines flying from Sydney to San Diego round-trip?

    Air Canada, at $1,052, was found to be the cheapest airline from Sydney to San Diego.Alternate airlines to your destination round-trip include Alaska Airlines and United Airlines. Users have found that Air Canada is 31% cheaper than the other options available to this destination.

  • Can I find deals for flights from Sydney to San Diego that include hotel bookings?

    Yes. In addition to deals on Sydney to San Diego flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Sydney to San Diego?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sydney to San Diego.

  • Can I find deals for business class flights from Sydney to San Diego?

    Yes. Cheapflights offers flight deals from Sydney to San Diego by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Sydney to San Diego?

    Currently, September is the cheapest month in which you can book a flight from Sydney to San Diego (average of $1,198). Flying from Sydney to San Diego in December is currently the most expensive (average of $1,857). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
San Ysidro

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 4 airlines flying from Sydney to San Diego

Discover the top 4 airlines that operate flights from Sydney to San Diego. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 20 June 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$1,052Average$1,436FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Alaska AirlinesCheapest$1,060Average$1,396FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
United AirlinesCheapest$1,183Average$1,520FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Virgin AustraliaCheapest$1,469Average$1,977FlexibilityNo cancel feeOn-time80%
Search Virgin Australia flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Sydney to San Diego?

When you search for this flight from Sydney to San Diego, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Sydney to San Diego?

Cheapflights helps you find that perfect flight to San Diego from Sydney by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Sydney to San Diego with no change fees?

Need flexible booking options for your flight to San Diego from Sydney? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Sydney to San Diego become cheaper?

Yes! Start tracking prices for Sydney to San Diego flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.